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Automotive, high-efficiency, quad-channel, 3/1, reinforced digital isolator with integrated power

ISOW7841A-Q1

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Product details

Parameters

Integrated isolated power Yes Number of channels (#) 4 Forward/reverse channels 3/1 Isolation rating (Vrms) 5000 Data rate (Max) (Mbps) 100 Rating Automotive Surge voltage capability (Vpk) 10000 Current consumption per channel (DC) (Typ) (mA) 5 Current consumption per channel (1 Mbps) (Typ) (mA) 5.75 Operating temperature range (C) -40 to 125 TI functional safety category Functional Safety-Capable Default output High, Low Supply voltage (Max) (V) 5.5 Supply voltage (Min) (V) 3 Propagation delay (Typ) (ns) 13 open-in-new Find other Digital isolators

Package | Pins | Size

SO-MOD (DWE) 16 106 mm² 10.3 x 10.3 open-in-new Find other Digital isolators

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device temperature Grade 1: –40°C to 125°C Ambient Operating Temperature
  • 100 Mbps data rate
  • Functional Safety-Capable
  • Robust isolation barrier:
    • >100-Year projected lifetime at 1 kVRMS working voltage
    • Up to 5000 VRMS isolation rating
    • Up to 10 kVPK surge capability
    • ±100 kV/µs minimum CMTI
  • Integrated high-efficiency DC-DC converter with on-chip transformer
  • 3-V to 5.5-V Wide input supply range
  • Regulated 5-V or 3.3-V output
  • Up to 0.65-W output power
  • 5 V to 5 V; 5 V to 3.3 V: Available load current ≥ 130 mA
  • 3.3 V to 3.3 V: Available load current ≥ 75 mA ; 3.3 V to 5 V: Available load current ≥ 40 mA
  • Soft-start to limit inrush current
  • Overload and short-circuit protection
  • Thermal shutdown
  • Default output: High and Low options
  • Low propagation delay: 13 ns Typ (5-V supply)
  • Robust electromagnetic compatibility (EMC)
    • System-level ESD, EFT, and surge immunity
    • ±8 kV IEC 61000-4-2 contact discharge protection across isolation barrier
    • Low emissions
  • 16-pin wide SOIC package
  • Safety-related certifications:
    • 7071-VPK reinforced isolation per DIN V VDE V 0884-11:2017-01
    • 5000-VRMS isolation for 1 minute per UL 1577
    • CSA Certification per IEC 60950-1, IEC 62368-1 and IEC 60601-1 end equipment standards
    • CQC Approval per GB4943.1-2011
    • TUV Certification according to EN 60950-1 and EN 61010-1
    • All certifications are planned

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Technical documentation

Design & development

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Hardware development

EVALUATION BOARD Download
49
Description

The ISOW7841EVM is an evaluation module (EVM) used to evaluate the ISOW7841. The ISOW7841 is a high-performance, reinforced quad-channel digital isolator with integrated DC/DC converter in a wide-body SOIC package (package code, DWE). The EVM features enough test points and jumper (...)

Features
  • High-speed, robust EMC quad-channel digital isolator with integrated power of 50% efficiency
  • Wide supply & level translation range: 3 V to 5.5 V
  • High signaling rate: Up to 100 Mbps
  • Low propagation delay: 11 ns typical (5-V supplies)
  • Isolation barrier life > 25 years

Design tools & simulation

SIMULATION MODEL Download
SLLM338.ZIP (31 KB) - IBIS Model

CAD/CAE symbols

Package Pins Download
SOIC (DWE) 16 View options

Ordering & quality

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  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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